// Copyright (C) 2013 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
  description: >
      The method should return a valid iterator that can be traversed using a
      `for...of` loop.
  es6id: 22.1.3.4
---*/

function Test() {
    var array = [0, 'a', true, false, null, /* hole */, undefined, NaN];
    var i = 0;

    for (var value of array.entries()) {
      assert.sameValue(
        value[0], i, 'element at index ' + i + ': value (array key)'
      );
      assert.sameValue(
        value[1], array[i], 'element at index ' + i + ': value (array value)'
      );
      assert.sameValue(
        value.length, 2, 'element at index ' + i + ': value (array length)'
      );
      i++;
    }

    assert.sameValue(i, 8, 'Visits all elements');
}

// preheat
const NUMBER_OF_PREHEAT = 1;
for (let i = 0; i < NUMBER_OF_PREHEAT; i++) {
    Test();
}

ArkTools.jitCompileAsync(Test);
assert.sameValue(ArkTools.waitJitCompileFinish(Test), true, '[JIT] JIT disabled.');

// test
const NUMBER_OF_TEST = 1; // or 2
for (let i = 0; i < NUMBER_OF_PREHEAT; i++) {
    Test();
}
